EP4194764A4 - Fan unit and air-handling system provided with same - Google Patents

Fan unit and air-handling system provided with same Download PDF

Info

Publication number
EP4194764A4
EP4194764A4 EP21854528.3A EP21854528A EP4194764A4 EP 4194764 A4 EP4194764 A4 EP 4194764A4 EP 21854528 A EP21854528 A EP 21854528A EP 4194764 A4 EP4194764 A4 EP 4194764A4
Authority
EP
European Patent Office
Prior art keywords
air
same
handling system
system provided
fan unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21854528.3A
Other languages
German (de)
French (fr)
Other versions
EP4194764A1 (en
Inventor
Akira Komatsu
Shuuichi TANAKA
Tooru Fujimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2020134853A external-priority patent/JP7078866B2/en
Priority claimed from JP2020161151A external-priority patent/JP6985631B1/en
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4194764A1 publication Critical patent/EP4194764A1/en
Publication of EP4194764A4 publication Critical patent/EP4194764A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2614—HVAC, heating, ventillation, climate control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Air Conditioning Control Device (AREA)
EP21854528.3A 2020-08-07 2021-08-03 Fan unit and air-handling system provided with same Pending EP4194764A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020134853A JP7078866B2 (en) 2020-08-07 2020-08-07 Fan unit
JP2020161151A JP6985631B1 (en) 2020-09-25 2020-09-25 Fan unit
PCT/JP2021/028773 WO2022030492A1 (en) 2020-08-07 2021-08-03 Fan unit and air-handling system provided with same

Publications (2)

Publication Number Publication Date
EP4194764A1 EP4194764A1 (en) 2023-06-14
EP4194764A4 true EP4194764A4 (en) 2024-01-03

Family

ID=80118036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21854528.3A Pending EP4194764A4 (en) 2020-08-07 2021-08-03 Fan unit and air-handling system provided with same

Country Status (4)

Country Link
US (1) US20230184451A1 (en)
EP (1) EP4194764A4 (en)
CN (1) CN116075672B (en)
WO (1) WO2022030492A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009264622A (en) * 2008-04-23 2009-11-12 Panasonic Corp Ventilation device
US8814639B1 (en) * 2008-10-29 2014-08-26 Climatecraft Technologies, Inc. Fan system comprising fan array with surge control
JP2016166698A (en) * 2015-03-09 2016-09-15 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Air conditioner indoor unit
CN110220267A (en) * 2018-03-01 2019-09-10 维谛技术有限公司 The fan operation method and device of air-conditioner set, air-conditioning system and air-conditioner set

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255089A (en) * 1979-03-22 1981-03-10 Dravo Corporation Method of controlling series fans driving a variable load
JPH09203552A (en) * 1996-01-29 1997-08-05 Kubota Toreen Kk Air conditioning system
JP4374634B2 (en) * 1998-12-28 2009-12-02 株式会社Ｉｈｉ Surging prediction device for turbo compressor
JP2006329440A (en) * 2005-05-23 2006-12-07 Hitachi Plant Technologies Ltd Pressure control unit
CN101070989B (en) * 2006-05-11 2010-05-12 傅孔阳 Air conditioner control system
EP2314880B1 (en) * 2008-07-10 2013-01-09 Mitsubishi Electric Corporation Sirocco fan and air conditioner using the same
JP5423196B2 (en) * 2008-07-18 2014-02-19 ダイキン工業株式会社 Indoor unit of air conditioner and control method thereof
US9322568B2 (en) * 2010-10-07 2016-04-26 Field Controls, Llc Whole house ventilation system
CH705466A1 (en) * 2011-09-05 2013-03-15 Belimo Holding Ag Process for operating and / or monitoring an HVAC system and HVAC system for carrying out the process.
US9862495B2 (en) * 2013-12-18 2018-01-09 Hamilton Sundstrand Corporation Aircraft air-conditioning heat exchanger contamination detection
JP6520185B2 (en) * 2014-04-18 2019-05-29 ダイキン工業株式会社 Air conditioner
JP6700621B2 (en) * 2018-03-30 2020-05-27 ダイキン工業株式会社 Air conditioner indoor unit
US20220412626A1 (en) * 2021-06-25 2022-12-29 Carrier Corporation Surge prevention in a chiller with centrifugal compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009264622A (en) * 2008-04-23 2009-11-12 Panasonic Corp Ventilation device
US8814639B1 (en) * 2008-10-29 2014-08-26 Climatecraft Technologies, Inc. Fan system comprising fan array with surge control
JP2016166698A (en) * 2015-03-09 2016-09-15 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Air conditioner indoor unit
CN110220267A (en) * 2018-03-01 2019-09-10 维谛技术有限公司 The fan operation method and device of air-conditioner set, air-conditioning system and air-conditioner set

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022030492A1 *

Also Published As

Publication number Publication date
US20230184451A1 (en) 2023-06-15
CN116075672A (en) 2023-05-05
WO2022030492A1 (en) 2022-02-10
CN116075672B (en) 2024-02-02
EP4194764A1 (en) 2023-06-14

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Inventor name: KOMATSU, AKIRA

Inventor name: FUJIMOTO, TOORU

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